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Blood ratio may replace fancy machines in ICU nutrition monitoring

NCT ID NCT07412366

Knowledge-focused Sponsor: Hospital Sao Domingos Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether the urea-to-creatinine ratio in blood can track metabolic changes in patients with septic shock. Currently, doctors use a special machine (indirect calorimetry) to measure energy needs, but it's not always available. Researchers will compare the simple blood ratio to the machine's readings in 40 ICU patients on ventilators. If the ratio works, it could offer a cheap, easy way to guide nutrition therapy.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could give doctors a simple blood test to guide nutrition in septic shock patients, improving recovery without needing expensive equipment.
What could go wrong
This is a small observational study (40 patients) that only looks for a correlation. It won't prove the ratio improves outcomes, and results may not apply to patients with kidney problems.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 40 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Oct 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Adult patients with septic shock, defined according to Sepsis-3 criteria, admitted to a 53-bed medical-surgical intensive care unit between April 2026 and March 2027. Eligible patients will be required to have undergone invasive mechanical ventilation for at least three consecutive days and to have had energy expenditure measured by indirect calorimetry.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: Adult patients with septic shock, defined according to Sepsis-3 criteria, admitted to a 53-bed medical-surgical intensive care unit between April 2026 and March 2027. Eligible patients will be required to have undergone invasive mechanical ventilation for at least three consecutive days - Exclusion Criteria:Patients will be excluded if they had a serum creatinine level greater than 4.0 mg/dL at hospital admission, chronic kidney disease requiring dialysis, initiation of renal replacement therapy during ICU stay, or if they require an inspired oxygen fraction (FiO₂) greater than 70% on the fourth day of mechanical ventilation. \-

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Conditions

The condition(s) this trial relates to.

toxic shock syndrome

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Septic shock

How to take part

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  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

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More trials for these conditions

Other studies related to the condition(s) this trial covers.